.backTop {
    background-image: url(https://cdn.weipaitang.com/static/2020031339788ed3-105d-8ed3105d-5597-efe5ba4fe7bd-W192H192);
    background-size: cover;
    width: 0.96rem;
    height: 0.96rem;
    position: fixed;
    bottom: 1.85rem;
    right: calc((100vw - 7.5rem) / 2 + 0.16rem);
    z-index: 500;
    display: block;
    opacity: 0;
    transform: translate3d(0, 100%, 0);
    transition: all 0.3s linear;
    transition-property: opacity, transform;
    pointer-events: none;

    :global(.needBottomFit) & {
        bottom: calc(1.85rem + 34px);
    }

    &.show {
        pointer-events: all;
        opacity: 1;
        transform: translate3d(0, 0, 0);
        cursor: pointer;
    }
}
